Appendix 



443 



Oc, 

 (E, 



(ECom, 



Om, 



OpL, 



Ost, 



Ov, 



ov, 



OvD, 



OvO, 



P, 



IP, 2P, 

 SP, 4P, 

 PA, 

 Pel, 

 PD, 



Pd, 



Pen, 



PenB, 



Peps, 



Pge, 

 Pgl, 



Pgu, 



Ph, 



Phy, 



PI, 



Pi, 



Plf, 



Pig, 



Pip, 



Pmb, 



PMcl 



Ptf, 



pn, 



PNP, 

 PNR, 



occiput. 



circumcesophageal commissures. 



ommatidium . 



optic lobe. 



ostium or lateral aperture of heart. 



ovary. 



ovariole, individual ovarian tube. 



oviduct. 



opening of vagina or median oviduct. 



paraptera, small pleural plates below base of wing, 

 typically two episternal paraptera or preparaptera 

 (IP and 2P) before pleural wing process (WP), and 

 two epimeral paraptera or postparaptera (8P and 

 4P) behind wing process. 



episternal paraptera, preparaptera. 



epimeral paraptera, postparaptera. 



arm of pleural ridge. 



postclypeus. 



muscle disk of episternal paraptera, giving insertion to 

 pronator muscle (not present in the bee). 



peduncle. 



penis. 



bulb of penis. 



preepisternum. 



postgena. 



paraglossa. 



pregula. 



phragma. 



pharynx. 



pleurum, 



subdivision of pleurum. 



palpifer, palpus-carrying lobe of maxilla. 



palpiger, palpus-carrying lobe of labium. 



palpus. 



peritrophic membrane. 



pronator muscle. 



postnotum or pseudonotum, the second or postalar 

 tergal plate of the wing-bearing segments of most 

 insects, the " postscutellum " of higher orders. 



small rod connecting postscutellum (postnotum PN) 

 with upper edge of epimerum, probably a detached 

 piece of the former. 



posterior notal wing process. 



posterior marginal ridge of notum. 



